Acquisitions - Intangible Assets (Details) - USD ($) $ in Millions	Aug. 30, 2021	Aug. 09, 2021	Mar. 11, 2020
L&M | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Asset Amount	$ 18.6
Amortization Period	10 years
Discount Rate	15.50%
Attrition Rate	15.00%
L&M | Non-compete agreement
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Asset Amount	$ 0.1
Amortization Period	5 years
Discount Rate	15.50%
L&M | Trademark
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Asset Amount	$ 0.3
Amortization Period	2 years
Discount Rate	15.50%
Pacific Pipe | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Asset Amount		$ 45.9
Amortization Period		10 years
Discount Rate		11.50%
Attrition Rate		10.00%
Pacific Pipe | Non-compete agreement
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Asset Amount		$ 0.3
Amortization Period		5 years
Discount Rate		11.50%
Pacific Pipe | Trademark
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Asset Amount		$ 0.5
Amortization Period		2 years
Discount Rate		11.50%
R&B | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Asset Amount			$ 113.7
Amortization Period			15 years
Discount Rate			10.00%
Attrition Rate			7.50%
R&B | Non-compete agreement
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Asset Amount			$ 0.4
Amortization Period			5 years
Discount Rate			10.00%
R&B | Trademark
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Asset Amount			$ 0.4
Amortization Period			1 year
Discount Rate			10.00%